Australia to Host U.S. Debris-Monitoring Telescope

SYDNEY—Australia agreed Wednesday to host a U.S. military surveillance telescope and radar designed to watch out for space junk falling to earth and monitor satellites in orbit.

"There is now so much debris in space that being acutely aware of debris is important to all nation states," Stephen Smith, Australia's defense minister, said following a day of high-level talks with U.S. Secretary of Defense Leon Panetta and...